Ammonia Chemical Bonding Worksheet Page 6
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28Q4.
The Haber process is named after the German chemist, Fritz Haber.
The diagram shows the main stages in the Haber process.
Reproduced with the permission of Nelson Thornes Ltd from PATRICK FULLICK et al,
ISBN 0-7487-9644- 4. First published in 2006
An exothermic reaction takes place when nitrogen reacts with hydrogen to make ammonia.
The reaction can be represented by this equation.
N
(g)
+
3H
(g)
2NH (g)
2
2
3
(a)
Calculate the maximum mass of ammonia that could be made from 1000 g of nitrogen.
Relative atomic masses: H = 1; N = 14
....................................................................................................................................
....................................................................................................................................
....................................................................................................................................
....................................................................................................................................
Mass ..............................g
(3)
Page 6 of 28
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